add get and patch operations

hub/broker/views.py

@@ -8,7 +8,11 @@ from django.shortcuts import get_object_or_404
 from hub.services.models import Lead
 from hub.services.odoo import OdooAPI
 from .models import ServiceInstance, ServiceBrokerUser
-from .serializers import ServiceInstanceProvisioningSerializer, CatalogSerializer
+from .serializers import (
+    ServiceInstanceProvisioningSerializer,
+    CatalogSerializer,
+    ServiceInstanceUpdateSerializer,
+)
 from .authentication import ServiceBrokerAuthentication
 
 logger = logging.getLogger(__name__)
@@ -137,3 +141,48 @@ class ServiceBrokerViewSet(viewsets.ViewSet):
         instance = get_object_or_404(ServiceInstance, instance_id=instance_id)
         instance.delete()
         return Response(status=status.HTTP_200_OK)
+
+    @action(
+        detail=False,
+        methods=["get"],
+        url_path="service_instances/(?P<instance_id>[^/.]+)",
+    )
+    def get_instance(self, request, instance_id):
+        instance = get_object_or_404(ServiceInstance, instance_id=instance_id)
+        return Response(
+            {
+                "service_id": str(instance.offering.id),
+                "plan_id": str(instance.plan.id),
+                "dashboard_url": settings.WEBSITE_URL
+                + reverse(
+                    "services:offering_detail", kwargs={"slug": instance.offering.slug}
+                ),
+            }
+        )
+
+    @action(
+        detail=False,
+        methods=["patch"],
+        url_path="service_instances/(?P<instance_id>[^/.]+)",
+    )
+    def update_instance(self, request, instance_id):
+        instance = get_object_or_404(ServiceInstance, instance_id=instance_id)
+        serializer = ServiceInstanceUpdateSerializer(
+            data=request.data, context={"instance": instance}
+        )
+
+        if not serializer.is_valid():
+            return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+
+        instance.plan = serializer.validated_data["plan_id"]
+        instance.save()
+
+        return Response(
+            {
+                "operation": "update",
+                "dashboard_url": settings.WEBSITE_URL
+                + reverse(
+                    "services:offering_detail", kwargs={"slug": instance.offering.slug}
+                ),
+            }
+        )